Help:Namespace

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i need to find out where my grandfather came from??? his name is john heis[e], i believe he was born 1867??? but he came to america in 1887...but he died in morgantown, wv in aug 10 1932-beverly hills memorial park...did they change his name??? i don't know where he came from, I NEED HELP....i joined ancestry, but i dont know where i'm going, he was german or hungarian, i don't know...i've been working on his ancestry for 25 years, i'm stumped...i been to a library, computer, i don't know...my birthday was yesterday, feb 23 1957, i'd like to find my grandfather....